22163120554 has 8 divisors (see below), whose sum is σ = 33248970180. Its totient is φ = 11080130496.

The previous prime is 22163120533. The next prime is 22163120557. The reversal of 22163120554 is 45502136122.

It can be written as a sum of positive squares in 2 ways, for example, as 15508966225 + 6654154329 = 124535^2 + 81573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22163120554² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22163120557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695409 + ... + 726580.

Almost surely, 2^22163120554 is an apocalyptic number.

22163120554 is a deficient number, since it is larger than the sum of its proper divisors (11085849626).

22163120554 is a wasteful number, since it uses less digits than its factorization.

22163120554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429784.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 22163120554 its reverse (45502136122), we get a palindrome (67665256676).

The spelling of 22163120554 in words is "twenty-two billion, one hundred sixty-three million, one hundred twenty thousand, five hundred fifty-four".